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robinwalter19
Peugeot 208 Radiator Oil Pressure Issue
4 comment(s)
robinwalter19 (Author)
The error message specifically mentions the radiator oil pressure sensor. I haven't checked the coolant level yet, but I haven't noticed any visible leaks. If it's the sensor, would that cause the transmission to go into emergency mode?
matssturm77
A faulty radiator oil pressure sensor could trigger limp mode if the ECU interprets the incorrect pressure reading as a critical fault that could damage the transmission. Still, given the symptoms, I'd recommend a thorough diagnostic check at a workshop before replacing parts. It's possible the sensor is a symptom, not the root cause.
robinwalter19 (Author)
Thanks for the advice. It turned out to be a faulty cable connection to the sensor, as suspected. Repair cost was 95€.
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matssturm77
Interesting. Slipping and grinding definitely point towards transmission woes. Radiator oil pressure? Are you sure it's not a transmission oil cooler issue, or perhaps related to the cooling fan circuit? Have you checked the coolant level and for any obvious leaks around the radiator and oil cooler?